JPH0329488B2 - - Google Patents
Info
- Publication number
- JPH0329488B2 JPH0329488B2 JP58137955A JP13795583A JPH0329488B2 JP H0329488 B2 JPH0329488 B2 JP H0329488B2 JP 58137955 A JP58137955 A JP 58137955A JP 13795583 A JP13795583 A JP 13795583A JP H0329488 B2 JPH0329488 B2 JP H0329488B2
- Authority
- JP
- Japan
- Prior art keywords
- metal
- model
- mold
- shell
- melting point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910052751 metal Inorganic materials 0.000 claims description 54
- 239000002184 metal Substances 0.000 claims description 54
- 238000000034 method Methods 0.000 claims description 17
- 238000002844 melting Methods 0.000 claims description 16
- 230000008018 melting Effects 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000000956 alloy Substances 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 239000004115 Sodium Silicate Substances 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000011505 plaster Substances 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 2
- 229910052738 indium Inorganic materials 0.000 claims description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 238000005498 polishing Methods 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 238000007751 thermal spraying Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 etc. Substances 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
- B22D23/003—Moulding by spraying metal on a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Description
【発明の詳細な説明】
本発明は、常温金属溶射（特公昭47−24859号）
を利用した耐久性に優れ、精度、及び精密性の高
い金型の製造方法に関するもので、従来の金属溶
射を利用した金型の製法、例えば、先づ石膏等で
目的とする製品のモデルを作り、その表面に金属
溶射を行なつた後、該モデルを離型して金属溶射
皮膜より成るシエルを形成し、これをバツクアツ
プして金型とするものに於ては、耐久性に劣るの
みならず、製作過程に於て歪みが生じ、正確な形
状寸度の金型を得ることは困難で、出来上つた金
型を手直ししなければならないので、硬度の高い
金属は使用できず、従つてせいぜい試作品製造用
の弱い金型しか得られなかつたが、本発明による
金型は金属ブロツクを削り出して得る普通の金型
と殆んど変らない強度と精度を有し耐久性に於て
優れたものである。[Detailed description of the invention] The present invention is directed to room temperature metal spraying (Japanese Patent Publication No. 47-24859).
This relates to a method of manufacturing molds with excellent durability, precision, and precision using conventional metal spraying, for example, by first creating a model of the desired product using plaster or the like. After making a model and spraying metal on its surface, the model is released from the mold to form a shell made of a metal spray coating, and this is backed up to make a mold, but the durability is inferior. However, distortion occurs during the manufacturing process, making it difficult to obtain a mold with accurate shape and dimensions, and the completed mold must be reworked, making it impossible to use hard metals. At best, only a weak mold for manufacturing a prototype could be obtained, but the mold according to the present invention has almost the same strength and precision as an ordinary mold obtained by cutting a metal block, and has excellent durability. It is excellent.
金属溶射技術特に前記日本特許（又は米国特許
第3901441号）に開示された溶射方法（以下常温
溶射という）を用いて金型を作る方法は、複雑な
形状のものも簡易、短時間で製作でき、従つてコ
ストも安いという大きな利点にもかゝわらず、反
面前記のような欠点を有するが、その理由は、超
高速度で飛翔する金属粒子が累積して層を形成す
る過程で貯熱作用があり、また高速度で粒子が
次々と衝突するため、これがプラスト作用をな
し、全体として歪みを生じることはまぬがれない
こと、またかくして生じた歪を除去することも困
難で、所望の精度が得難いこと及び、こゝに得ら
れる金属層自体強度がさほど高いものではないの
で、これを補強する必要があるが、歪み等を生じ
ないで補強効果をあげる手段が開発されていない
等の理由によることは多数の試験研究の結果明ら
かにされている。 Metal spraying technology In particular, the method of making molds using the thermal spraying method (hereinafter referred to as room temperature spraying) disclosed in the above-mentioned Japanese patent (or U.S. Patent No. 3901441) allows molds to be made easily and in a short time even with complex shapes. Although it has the great advantage of being low cost, it does have the drawbacks mentioned above.The reason for this is that metal particles flying at extremely high speed accumulate heat in the process of forming a layer. In addition, since the particles collide one after another at high speeds, this creates a plasto effect, which inevitably causes distortion as a whole, and it is also difficult to remove the resulting distortion, making it difficult to achieve the desired accuracy. This is difficult to obtain, and the strength of the metal layer itself is not very high, so it needs to be reinforced, but no method has been developed to increase the reinforcing effect without causing distortion. This has been clarified as a result of numerous test studies.
本発明金型の製造方法は、これらの欠点を除
き、優れた点を活かした画期的な優秀な金型を製
造する方法に関するものである。 The mold manufacturing method of the present invention is a method for manufacturing an innovative and excellent mold that eliminates these drawbacks and takes advantage of the excellent points.
本発明実施の一例を図面について説明すると、
先づ加工容易な素材、例えば木材、石膏、プラス
チツク等により目的とする製品のモデル１を作る
（以下これを第１モデルという）（第１図）。この
第１モデルを鋼製フレーム２をもつて囲み、その
表面並びに周囲を低温で溶融する金属、例えば亜
鉛、アルミニウム等或はそれらの合金をもつて、
常温金属溶射し、金属層３を形成する（第２図）。
この場合全体を台盤４の上にのせて行のうのが好
都合である。 An example of implementing the present invention will be explained with reference to the drawings.
First, a model 1 of the desired product is made from an easily processed material such as wood, plaster, plastic, etc. (hereinafter referred to as the first model) (FIG. 1). This first model is surrounded by a steel frame 2, and its surface and surroundings are made of metal that melts at low temperatures, such as zinc, aluminum, etc., or alloys thereof,
A metal layer 3 is formed by thermal spraying at room temperature (FIG. 2).
In this case, it is convenient to place the entire assembly on a base plate 4.
次に、かくして形成した溶射金属層３から第１
モデル１を離型することにより、モデル１の反転
型５を得る。この反転型の凹部空間６内に、錫、
ビスマス、インジウム等を主体とする低融点合金
の溶融液７を流し込む（第３図）、該低融点金属
７が冷却した後上方部に盛り上つた余分の部分
７′を削除して上面を平面化した後、さらに溶射
金属層３と低融点金属部分７とを離型し、第１モ
デルと全く同形の低融点金属によるモデルを得る
（このモデルを第２モデル７という）。 Next, from the sprayed metal layer 3 thus formed, a first
By releasing the model 1, an inverted mold 5 of the model 1 is obtained. In this inverted recessed space 6, tin,
A molten liquid 7 of a low melting point alloy mainly composed of bismuth, indium, etc. is poured in (Figure 3), and after the low melting point metal 7 has cooled, the excess portion 7' that has risen at the top is removed to make the top surface flat. After this, the sprayed metal layer 3 and the low melting point metal portion 7 are further released from the mold to obtain a model made of a low melting point metal that is completely the same as the first model (this model will be referred to as a second model 7).
次に、第２モデル７を、加工し易い任意の金
属、例えば、第２モデルと同質の合金或は亜鉛、
アルミニウム、銅、又はこれらの合金より成る定
盤８上に固定する。固定する手段としてはボルト
９で締着する等適宜の方法を採用することがで
き、かくして固定した後第２モデル７を鋼製フレ
ーム１０（或はモールドベース）をもつて囲み、
この状態で第２モデル７の表面及びその周辺に高
融点金属、例えばニツケル、ステンレス・スチー
ル等を常温溶射し、10〜30mm程度の溶射金属層１
１を形成する（第４図）。さらにこの第４図に示
した構成物全体を低融点金属より成る第２モデル
が溶融するに充分な温度（約200℃）下で（例え
ば炉中で）加熱処理することにより、該第２モデ
ルを溶融除去し、このとき定盤８やボルト９等も
共に除去されるから、こゝに高融点金属溶射層１
１（以下硬金属シエルという）が鋼製フレーム１
０と一体的に結合された構成体を得る。この場
合、鋼製フレーム１０から該硬金属シエル１１を
取外し、これをモールドベースに改めて取着ける
のである。（モールドベースを用いれば着け代え
の必要はない）。かくしてモールドベース１０′に
固定された硬金属シエル１１の凹空間１１′に砂
と硅酸ソーダーの混合物を満たし、これに炭酸ガ
スを吹き込んでこれを固化し、固形砂塊１２を形
成する。かくした後、硬金属シエル１１の裏側空
間を亜鉛、アルミニウム又はこれらの合金等適宜
の金属を常温溶射するか、或は、溶融金属を流し
込むか、場合によつてはセメントを流し込む等の
手段でバツクアツプ１３する。バツクアツプ部１
３内には冷却水用パイプ１４を埋設することは好
ましい。最後に前記硬金属シエル１１内に固化し
た固形砂塊１２を破壊除去し、かくして、あらわ
れた硬金属シエル１１の凹面を研磨等適宜の仕上
げ加工を施こし、こゝに金型が完成するのであ
る。 Next, the second model 7 is made of any metal that is easy to process, such as an alloy of the same quality as the second model, or zinc,
It is fixed on a surface plate 8 made of aluminum, copper, or an alloy thereof. As a fixing means, an appropriate method such as tightening with bolts 9 can be adopted, and after fixing in this way, the second model 7 is surrounded with a steel frame 10 (or a mold base),
In this state, a high melting point metal such as nickel, stainless steel, etc. is sprayed at room temperature on the surface and surrounding area of the second model 7, and a sprayed metal layer 1 of about 10 to 30 mm is coated.
1 (Figure 4). Furthermore, the entire structure shown in FIG. 4 is heat-treated (for example, in a furnace) at a temperature (approximately 200°C) sufficient to melt the second model made of a low-melting point metal. At this time, the surface plate 8, bolts 9, etc. are also removed, so the high melting point metal sprayed layer 1 is removed.
1 (hereinafter referred to as hard metal shell) is a steel frame 1
0 is obtained. In this case, the hard metal shell 11 is removed from the steel frame 10 and reattached to the mold base. (If you use a mold base, there is no need to replace it.) The concave space 11' of the hard metal shell 11 fixed to the mold base 10' is filled with a mixture of sand and sodium silicate, and carbon dioxide gas is blown into the mixture to solidify it, thereby forming a solid sand block 12. After this, the space on the back side of the hard metal shell 11 is sprayed with an appropriate metal such as zinc, aluminum or an alloy thereof at room temperature, or by pouring molten metal, or in some cases by pouring cement. Backup 13. Backup section 1
It is preferable to embed a cooling water pipe 14 within the cooling water pipe 3. Finally, the solid sand block 12 that has solidified within the hard metal shell 11 is destroyed and removed, and the concave surface of the hard metal shell 11 that appears is then subjected to appropriate finishing processes such as polishing, and the mold is now completed. be.
なお、上記説明に於て鋼製フレーム１０或はモ
ールドベースを用いるとしているが、これは、金
型の製造過程に於ける中間品の取扱いの便や作業
上の便宜で用いることが好ましいもので、これを
使用すること自体は本発明金型の製法に不可欠の
ものではない。金型完成後これを改めてモールド
ベースに取付けることは、一般の金型の場合と同
様である。 In addition, although the steel frame 10 or mold base is used in the above explanation, it is preferable to use this for convenience in handling intermediate products in the mold manufacturing process and for operational convenience. , the use of this itself is not essential to the method of manufacturing the mold of the present invention. After the mold is completed, it is reattached to the mold base in the same way as a general mold.
本発明金型の製造方法は上に述べた過程即ち工
程の連続を内容とするものであるが、かくして得
られた金型は、精度が高く、精密な形態をあらわ
すことが可能で、耐久性に富み、スピーデイに製
造され、従つて安価である等幾多の利点を有する
が、この点についてさらに説明を加えると、先
づ、上述したように加工容易な素材で作る第１モ
デルは、それが、いかに精密であり、又は複雑な
形態のものであつても、短時間に且つ容易に作る
ことができることは理解に難くない所である。次
に本発明の殆んどの工程は常温溶射による反転型
の製造或はそれのバツクアツプという単純な作業
より成り、僅かに第２モデルの鋳造工程がこれに
加えられるだけであるから、精巧な機械装置も熟
練を要する操作、テクニツクも必要としない。こ
のような訳で短時間に且つ安価に金型が出来上る
ことは理解されよう。 The method for manufacturing the mold of the present invention includes the above-mentioned process, that is, a series of steps, and the mold thus obtained has high precision, can express a precise shape, and has high durability. It has many advantages, such as being rich in material, being manufactured quickly, and therefore being inexpensive.To further explain this point, the first model, which is made from materials that are easy to process as mentioned above, has many advantages. It is not difficult to understand that no matter how precise or complex the shape, it can be easily manufactured in a short time. Next, most of the processes of the present invention consist of a simple operation of manufacturing an inverted mold by cold thermal spraying or backing it up, and only a casting process of the second model is added to this, so sophisticated machinery is required. There is no need for any equipment or skilled operations or techniques. It will be understood that for this reason, the mold can be completed in a short time and at low cost.
なお、常温溶射による溶射金属層は、モデル表
面の極めて細密な形状をも忠実に写し取ることの
できるものであることはよく知られる所であり、
第１モデルからの反転型５は極めて忠実に第１モ
デルの細部を写し、また、この反転型から得られ
る第２モデルも特殊低融点合金による精密鋳造型
であるため、第１モデルの忠実な再現であり、最
後の硬金属シエルも常温溶射によるものであるた
め、第２モデルを忠実に写し取つているから、完
成した金型自体非常に精密なものである。 Furthermore, it is well known that the sprayed metal layer obtained by thermal spraying at room temperature can faithfully copy even the extremely minute shapes of the model surface.
The inverted mold 5 from the first model very faithfully copies the details of the first model, and the second model obtained from this inverted mold is also a precision casting mold made of a special low melting point alloy, so it is a faithful copy of the first model. Since this is a reproduction, and the final hard metal shell was also sprayed at room temperature, it is a faithful copy of the second model, so the completed mold itself is extremely precise.
さて、この種溶射金属層を利用した金型の最大
の欠点とされた、全体的な歪み、ひずみについて
見るに、本発明はこの点の解決法として、硬金属
シエル１１のバツクアツプに先立ち、該シエルの
凹空間内に砂と硅酸ソーダの混合物を満たし、こ
れに炭酸ガスを吹込み固化し、シエル全体の形態
を正しく保持し、然る後にバアクアツプ工程を施
すことにより、少しの歪みも生じない金属溶射金
型を得ることに成功したもので、本発明製法によ
る金型は実に精度の高い優れたもので、金属削り
出し金型に匹敵する。 Now, looking at the overall distortion, which is considered to be the biggest drawback of molds using this type of thermal sprayed metal layer, the present invention provides a solution to this problem by providing a A mixture of sand and sodium silicate is filled in the concave space of the shell, and carbon dioxide gas is blown into it to solidify it to maintain the correct shape of the shell as a whole, and then a vacuum up process is performed to prevent even the slightest distortion. The mold produced by the method of the present invention has excellent accuracy and is comparable to a machined metal mold.
本発明に於ける前記第２モデル７は高融点金属
シエル５から複数個作ることができるもので、同
形の金型を複数個製造することは極めて容易であ
り、この場合はさらに時間的経済的に有利とな
る。また金型の構造から判るようにシエル１１の
内面は高硬度金属であり、バツクアツプがしつか
りしているため、耐久性ある金型として完成され
るのである。本発明の金属溶射手段は常法により
行なはれるもので、予じめサンドブラスト等の前
処理工程を伴ない、離型剤等を利用することは常
法に従うものである。 The second model 7 according to the present invention can be made in plural pieces from the high melting point metal shell 5, and it is extremely easy to produce a plurality of molds of the same shape, and in this case, it is even more time-saving and economical. be advantageous to Further, as can be seen from the structure of the mold, the inner surface of the shell 11 is made of high hardness metal and the back-up is strong, so that a durable mold can be completed. The metal thermal spraying means of the present invention is carried out by a conventional method, including a pretreatment step such as sandblasting, and the use of a mold release agent and the like.
本発明は上述のように、極めて簡単な手段を繰
返すことにより、精度、精密度、耐久性に優れた
金型を短時間に安価に製造し得る方法であつて、
金型製法として画期的なものである。 As described above, the present invention is a method for manufacturing molds with excellent accuracy, precision, and durability in a short time and at low cost by repeating extremely simple steps,
This is a revolutionary method for manufacturing molds.
第１図は第１モデルの正面図、第２図は第１モ
デル表面に金属溶射した状態を示す説明図、第３
図は第２図の金属溶射により得たシエル内に高融
点金属の溶融液を流し込んだ状態を示す説明図、
第４図は第２モデルを定盤上に固定しその表面に
硬金属を溶射した状態を示す説明図、第５図は硬
金属シエルの凹空間に固形砂塊を形成し、シエル
の裏側空間をバツクアツプした状態を示す説明図
である。
符号説明、１……第１モデル、２……鋼製フレ
ーム、３……溶射金属層、４……台盤、５……反
転型、６……凹空間（５の）、７……高融点金属、
８……定盤、９……ボルト、１０……鋼製フレー
ム、１０′……モールドベース、１１……硬金属
シエル、１２……固形砂塊。
Figure 1 is a front view of the first model, Figure 2 is an explanatory diagram showing the state of metal spraying on the surface of the first model, and Figure 3 is a front view of the first model.
The figure is an explanatory diagram showing a state in which a molten liquid of a high melting point metal is poured into the shell obtained by metal spraying in Figure 2,
Figure 4 is an explanatory diagram showing the state in which the second model is fixed on a surface plate and hard metal is sprayed on its surface. Figure 5 is an explanatory diagram showing the state in which the second model is fixed on a surface plate and hard metal is sprayed on its surface. FIG. Description of symbols, 1...First model, 2...Steel frame, 3...Sprayed metal layer, 4...Base plate, 5...Inverted type, 6...Concave space (5th), 7...Height melting point metal,
8... Surface plate, 9... Bolt, 10... Steel frame, 10'... Mold base, 11... Hard metal shell, 12... Solid sand block.
Claims (1)
ツク等をもつて作つたモデルを鋼製フレーム中に
置き、その表面に低融点金属（例えば亜鉛或はそ
の合金）を常温溶射した後、該モデルを離型して
金属溶射層より成る反転型を作り、この反転型凹
部内に錫、ビスマス、インジユーム等より成る低
融点金属の溶融液を流し込み、冷却固化後これを
反転型から離型して第２モデルを作り、次にこの
第２モデルを加工容易な任意の金属より成る定盤
上に適宜手段で固定し、さらに該第２モデルの周
囲を鋼製フレーム或はモールドベースで囲つた
後、高融点金属（例えばニツケル、ステンレス・
スチール）を常温溶射して、第２モデルの表面及
びその周辺に10〜30mm程度の金属溶射層を形成
し、かくして得たものを第２モデルが溶融するに
充分な温度下で加熱することにより、第２モデル
を溶解除去し、かくして得られる鋼製フレームと
高融点溶射金属層シエルとの一体的構成体である
金型原体の該高融点金属シエルの凹空間内に砂と
硅酸ソーダの混合物を詰めこれに炭酸ガスを吹き
込んで該混合物を固化させ、一方、該シエルの裏
側空間を適宜な手段、例えば、金属の溶融液、又
は金属溶射皮膜等でバツクアツプし、必要により
このバツクアツプ層内に冷却水用パイプを埋設
し、最後に該シエル凹空間に詰めた固形砂塊を排
除し、必要によりシエル内面を研磨仕上げするこ
とを特徴とする金属溶射による耐久性金型の製造
方法。1. A model made from an easy-to-process material such as wood, plaster, plastic, etc. is placed in a steel frame, a low melting point metal (e.g. zinc or its alloy) is sprayed on the surface at room temperature, and then the model is separated. A molten liquid of a low-melting metal such as tin, bismuth, indium, etc. is poured into the recesses of the inverted mold, and after cooling and solidifying, it is released from the inverted mold to form a second mold. A model is made, and then this second model is fixed by appropriate means on a surface plate made of any metal that is easy to work with, and the second model is further surrounded by a steel frame or a mold base, and then raised to a height. Melting point metals (e.g. nickel, stainless steel)
By spraying metal (steel) at room temperature to form a metal spray layer of about 10 to 30 mm on the surface and surrounding area of the second model, and heating the thus obtained material at a temperature sufficient to melt the second model. , the second model is melted and removed, and sand and sodium silicate are placed in the concave space of the high melting point metal shell of the mold base, which is an integral structure of the steel frame and the high melting point sprayed metal layer shell. Filled with a mixture of shells, carbon dioxide gas is blown into the shell to solidify the mixture.Meanwhile, the space on the back side of the shell is backed up with an appropriate means, such as a metal melt or a metal spray coating, and if necessary, this backup layer is A method for manufacturing a durable mold by metal spraying, characterized by burying a cooling water pipe inside the shell, finally removing solid sand blocks packed in the shell concave space, and polishing the shell inner surface if necessary.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13795583A JPS6030535A (en) | 1983-07-27 | 1983-07-27 | Manufacture of durable metallic die by metallic spraying |
| AT83305407T ATE27558T1 (en) | 1982-09-16 | 1983-09-15 | PROCESS FOR THE MANUFACTURE OF METAL MOLDS USING METAL MELTING. |
| US06/532,567 US4549597A (en) | 1982-09-16 | 1983-09-15 | Method of manufacturing durable metal molds by metal melt-spraying |
| EP83305407A EP0104839B1 (en) | 1982-09-16 | 1983-09-15 | Method of manufacturing metal molds by metal melt-spraying |
| DE8383305407T DE3371876D1 (en) | 1982-09-16 | 1983-09-15 | Method of manufacturing metal molds by metal melt-spraying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13795583A JPS6030535A (en) | 1983-07-27 | 1983-07-27 | Manufacture of durable metallic die by metallic spraying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6030535A JPS6030535A (en) | 1985-02-16 |
| JPH0329488B2 true JPH0329488B2 (en) | 1991-04-24 |
Family
ID=15210620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13795583A Granted JPS6030535A (en) | 1982-09-16 | 1983-07-27 | Manufacture of durable metallic die by metallic spraying |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6030535A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61191486A (en) * | 1985-02-20 | 1986-08-26 | ヤマハ発動機株式会社 | Housing device for scooter |
| JP2687055B2 (en) * | 1991-06-11 | 1997-12-08 | トヨタ自動車株式会社 | Die casting mold |
| JP2709005B2 (en) * | 1992-10-09 | 1998-02-04 | 住友重機械プラスチックマシナリー株式会社 | Ejector control method for injection molding machine |
| JP2709053B2 (en) * | 1996-11-19 | 1998-02-04 | 住友重機械プラスチックマシナリー株式会社 | How to prevent molded products from scattering |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4917935A (en) * | 1972-06-06 | 1974-02-16 |
-
1983
- 1983-07-27 JP JP13795583A patent/JPS6030535A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4917935A (en) * | 1972-06-06 | 1974-02-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6030535A (en) | 1985-02-16 |
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